Hang during POST when running under PHP+Apache

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Hello,

I'm using the Amazon AWS PHP SDK, which is based on Guzzle, and thus Curl.

I have a function which runs quickly from my command-line unit test, but
hangs for about 15 seconds when run through Apache.  I've enabled
CURLOPT_VERBOSE, and I can see the hang in my log, but I don't know how to
interpret what what I'm looking at.

The relevant part of the log output with the hang marked:

==== START LOG SNIPPET ====

* Adding handle: conn: 0x7f1c43c431e0
* Adding handle: send: 0
* Adding handle: recv: 0
* Curl_addHandleToPipeline: length: 1
* - Conn 0 (0x7f1c43c431e0) send_pipe: 1, recv_pipe: 0

==== 15 second hang happens here! ====

* About to connect() to dynamodb.us-east-1.amazonaws.com port 443 (#0)
*   Trying 205.251.243.228...
* Connected to dynamodb.us-east-1.amazonaws.com (205.251.243.228) port 443
(#0)
* Initializing NSS with certpath: sql:/etc/pki/nssdb
*   CAfile:
/home/ami/git/HTML5Configurator/vendor/guzzle/guzzle/src/Guzzle/Http/Resources/cacert.pem
  CApath: none
* SSL connection using TLS_RSA_WITH_RC4_128_MD5
* Server certificate:
* subject: CN=dynamodb.us-east-1.amazonaws.com,O=Amazon.com
Inc.,L=Seattle,ST=Washington,C=US
* start date: Jan 01 00:00:00 2014 GMT
* expire date: Jan 02 23:59:59 2015 GMT
* common name: dynamodb.us-east-1.amazonaws.com
* issuer: CN=VeriSign Class 3 Secure Server CA - G3,OU=Terms of use at
https://www.verisign.com/rpa (c)10,OU=VeriSign Trust Network,O="VeriSign,
Inc.",C=US

==== END LOG SNIPPET ====

Does any body have any idea what's happening?  If somebody could tell me
what the log line just before the hang means, that might get me a bit
further.

Cheers,
Ami.

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<div dir=3D"ltr"><div>Hello,</div><div><br></div>I&#39;m using the Amazon A=
WS PHP SDK, which is based on Guzzle, and thus Curl.<div><br></div><div>I h=
ave a function which runs quickly from my command-line unit test, but hangs=
 for about 15 seconds when run through Apache.=C2=A0 I&#39;ve enabled CURLO=
PT_VERBOSE, and I can see the hang in my log, but I don&#39;t know how to i=
nterpret what what I&#39;m looking at.</div><div><br></div><div>The relevan=
t part of the log output with the hang marked:</div><div><br></div><div>=3D=
=3D=3D=3D START LOG SNIPPET =3D=3D=3D=3D</div><div><br></div><div><div>* Ad=
ding handle: conn: 0x7f1c43c431e0</div><div>* Adding handle: send: 0</div><=
div>* Adding handle: recv: 0</div><div>* Curl_addHandleToPipeline: length: =
1</div><div>* - Conn 0 (0x7f1c43c431e0) send_pipe: 1, recv_pipe: 0</div><di=
v><br></div><div>=3D=3D=3D=3D 15 second hang happens here! =3D=3D=3D=3D</di=
v><div><br></div><div>* About to connect() to <a href=3D"http://dynamodb.us=
-east-1.amazonaws.com">dynamodb.us-east-1.amazonaws.com</a> port 443 (#0)</=
div><div>* =C2=A0 Trying 205.251.243.228...</div><div>* Connected to <a hre=
f=3D"http://dynamodb.us-east-1.amazonaws.com">dynamodb.us-east-1.amazonaws.=
com</a> (205.251.243.228) port 443 (#0)</div><div>* Initializing NSS with c=
ertpath: sql:/etc/pki/nssdb</div><div>* =C2=A0 CAfile: /home/ami/git/HTML5C=
onfigurator/vendor/guzzle/guzzle/src/Guzzle/Http/Resources/cacert.pem</div>=
<div>=C2=A0 CApath: none</div><div>* SSL connection using TLS_RSA_WITH_RC4_=
128_MD5</div><div>* Server certificate:</div><div>* <span class=3D"" style=
=3D"white-space:pre">	</span>subject: CN=3D<a href=3D"http://dynamodb.us-ea=
st-1.amazonaws.com">dynamodb.us-east-1.amazonaws.com</a>,O=3DAmazon.com Inc=
.,L=3DSeattle,ST=3DWashington,C=3DUS</div><div>* <span class=3D"" style=3D"=
white-space:pre">	</span>start date: Jan 01 00:00:00 2014 GMT</div><div>* <=
span class=3D"" style=3D"white-space:pre">	</span>expire date: Jan 02 23:59=
:59 2015 GMT</div><div>* <span class=3D"" style=3D"white-space:pre">	</span=
>common name: <a href=3D"http://dynamodb.us-east-1.amazonaws.com">dynamodb.=
us-east-1.amazonaws.com</a></div><div>* <span class=3D"" style=3D"white-spa=
ce:pre">	</span>issuer: CN=3DVeriSign Class 3 Secure Server CA - G3,OU=3DTe=
rms of use at <a href=3D"https://www.verisign.com/rpa">https://www.verisign=
.com/rpa</a> (c)10,OU=3DVeriSign Trust Network,O=3D&quot;VeriSign, Inc.&quo=
t;,C=3DUS</div></div><div><br></div><div>=3D=3D=3D=3D END LOG SNIPPET =3D=
=3D=3D=3D</div><div><br></div><div>Does any body have any idea what&#39;s h=
appening?=C2=A0 If somebody could tell me what the log line just before the=
 hang means, that might get me a bit further.</div><div><br></div><div>Chee=
rs,</div><div>Ami.</div><div><br></div><div><br></div></div>

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